WMSIC Electronic Components

FH RC-02K1182FT

ModelRC-02K1182FT
Package0402
BrandFH
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FH RC-02K1182FT
Type
FH
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
FH
Electronic Component
RC-02K1182FT
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.022g
Electronic Component
11.8kΩ
Electronic Component
50
Electronic Component
BM0265104810
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

风华RC-02K1182FT厚膜贴片电阻产品概述

一、产品基本属性

RC-02K1182FT是风华FH品牌推出的通用型厚膜贴片电阻,采用0402封装(英制标识,对应公制1005封装,尺寸为1.0mm×0.5mm),属于小体积、小功率被动元器件范畴。该产品主要用于电子电路中的阻值调节、分压、限流、滤波等基础功能,是消费电子、工业控制、通信设备等领域的常用标准件。

二、核心参数详解

该电阻的核心参数明确了性能边界,具体如下:

  1. 阻值与精度:标称阻值11.8kΩ(11800Ω),精度±1%,实际工作阻值范围为11682Ω~11918Ω,可满足多数电路对阻值偏差的要求(如分压电路输出电压偏差控制在1%以内)。
  2. 功率额定值:额定功率1/16W(62.5mW),指25℃环境下长期稳定工作的最大功率;环境温度升高时需按降额曲线使用(如155℃时降额至额定功率的50%左右)。
  3. 工作电压:最大连续工作电压50V,需注意电压与功率的匹配:实际电压需满足 ( V \leq \sqrt{P_{额定} \times R_{标称}} \approx 27.2V ),避免过载。
  4. 温度系数(T.C):±100ppm/℃,即温度每变1℃,阻值变化±0.01%。以155℃为例,相对于25℃的阻值变化约为 ( 11.8kΩ \times 100ppm/℃ \times 130℃ = 153.4Ω ),稳定性满足一般场景需求。
  5. 工作温度范围:-55℃~+155℃,覆盖低温(户外设备)及高温(汽车舱内)典型环境,优于普通民用级电阻。

三、封装与工艺特点

  1. 0402封装优势:小体积设计适配高密度PCB布局,可缩小电路尺寸(如智能手机、智能穿戴);支持SMT自动化贴装,适合批量生产。
  2. 厚膜工艺特性:采用钌基电阻浆料丝网印刷于氧化铝陶瓷基片,经高温烧结成型。该工艺成本可控,电阻层附着力强,抗机械应力性能优于薄膜电阻,适配中精度(±1%~±5%)、小功率场景。
  3. 端电极结构:三层设计(银层打底+镍层阻挡+无铅锡层),既保证焊接可靠性(无铅适配RoHS),又通过镍层防止银迁移,提升长期稳定性。

四、适用场景分析

该电阻适配以下典型场景:

  1. 消费电子:智能手机、平板的信号调理(传感器分压、音频滤波),利用小体积满足紧凑布局。
  2. 工业控制:PLC、传感器接口(温度传感器放大偏置),耐高低温适应工业现场波动。
  3. 通信设备:路由器、交换机的电源滤波、偏置电路,匹配低功耗设计。
  4. 汽车电子(部分场景):车载仪表盘、音响辅助电路(非大功率负载),155℃耐温覆盖汽车内部环境。

五、可靠性与环境适应性

  1. 温度稳定性:宽温范围内阻值漂移符合±100ppm/℃要求,长期工作无明显衰减。
  2. 耐湿性能:陶瓷基片+密封工艺抗湿性好,可适应60%~95%湿度环境(短期)。
  3. 焊接可靠性:端电极承受回流焊(峰值245℃)、波峰焊,焊接拉力≥1N(行业标准)。
  4. 寿命表现:25℃、额定功率下寿命≥10万小时,降额使用(50%功率)寿命进一步延长。

六、品牌与品质保障

风华FH是国内老牌元器件厂商(1985年成立),产品线覆盖全系列被动元件,通过ISO9001、RoHS认证,部分汽车级产品符合AEC-Q200标准。RC-02K1182FT出厂前100%阻值测试+环境抽检,提供技术支持及售后保障,是11.8kΩ±1%阻值的优选方案。

该产品凭借稳定性能、小体积及合理成本,成为电子电路设计中的通用可靠选择。

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